Home / 101,426.35-139,957.60-56,097.13

Finding the Fourth Proportional to 101,426.35, 139,957.60 and 56,097.13

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Solution

The fourth proportional to 101,426.35, 139,957.60 and 56,097.13 is: 77,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,426.35 : 139,957.60 = 56,097.13 : x
  2. Step 2: Convert to fraction form
    101,426.35/139,957.60 = 56,097.13/x
  3. Step 3: Cross multiply
    101,426.35x = 139,957.60 × 56,097.13
  4. Step 4: Simplify right side
    101,426.35x = 7,851,219,681.69
  5. Step 5: Solve for x
    x = 7,851,219,681.69/101,426.35
  6. Step 6: Final answer
    x = 77,408.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.